S
M
T
W
T
F
S
30
90°
68°
31
89°
67°
1
89°
62°
2
87°
58°
3
79°
61°
4
84°
67°
5
87°
67°
6
88°
64°
7
87°
65°
8
86°
64°
9
82°
64°
10
83°
57°
11
77°
57°
12
77°
58°
13
79°
62°
14
83°
63°
15
82°
63°
16
79°
62°
17
79°
55°
18
78°
51°
19
74°
51°
20
72°
54°
21
74°
58°
22
76°
61°
23
79°
61°
24
80°
60°
25
81°
51°
26
80°
52°
27
71°
51°
28
70°
50°
29
70°
50°
30
70°
49°
1
Hist. Avg.
74°
49°
2
Hist. Avg.
74°
48°
3
Hist. Avg.
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ballard
Ballard's September 2026 forecast shows daily high temperatures ranging from 70° to 90°, with overnight lows between 49° and 68°. The average high for September is 80° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Ballard. See also: October | November | December.
